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Official data from INPI

ELEMENTO DE CONDUTO PARA INSTALAÇÕES DE GÁS DE ESCAPAMENTO

PublicadaInvention Patent

Application data

Number

PI8804457

Type

Invention Patent

Filing

08/31/1988

Publication

03/28/1989

Progress at the INPI

  1. Filing08/31/88
  2. Publication03/28/89
  3. Examination03/26/91
  4. Allowance01/05/93
  5. Grant06/29/93
  6. Terminated10/24/95

The patent was granted on 06/29/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IWK Regler Und Kompensatoren GmbH

DE

See this company's full portfolio

Inventors

T. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3729147.5 · 09/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/28/1989

RPI 962

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

01/05/1993

RPI 1153

Exigência - art. 36 da LPI

#6.1

01/14/1992

RPI 1102

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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